TY - BOOK ED - Groundwater and Seepage Symposium ED - Matuschka, Trevor ED - Perry, Brian TI - Groundwater and seepage symposium, Auckland, May 1990 T2 - Proceedings of Technical Groups SN - 81GB1001.2 PY - 1990/// CY - Wellington PB - The Institution of Professional Engineers KW - Water, Underground KW - Congresses KW - Seepage ER -